Voi. 46 No. 10 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
ee 
OCTOBER, 1919 
Studies in the genus Lupinus—lV. The Pusilli 
CHARLES PIPER SMITH 
(WITH TEN TEXT FIGURES) 
INTRODUCTION 
In my second and third papers of this series (Bull. Torrey 
Club 45: 1-22, 167-202. 1918), I treated the Microcarpi, the larger 
and more neglected division of Watson’s subgenus Platycarpos, 
and I now present my review of the species and varieties properly 
to be included in the smal'er and much less neglected group, the 
Pusilli. ; 
The following list includes the published names that need to 
be considered in this paper: 
pusilus Pursh, Fl. Am. Sept. 2: 468. 1814. 
brevicaulis Wats. Bot. King’s Report 53. 1871. 
Kingu Wats. Proc. Am. Acad. 8: 534. 1873. 
Silert Wats. ibid. 10: 345, 1875. 
Shockleyt Wats. ibid. 22: 470. 1887. 
capitatus Greene, Pittonia 1: 171. 1888. 
odoraius Heller, Muhlenbergia 2:71. 1905. 
scaposus Rydberg, Bull. Torrey Club 34: 45. 1907. 
rubens Rydberg, ibid. 34: 45. 1907. 
dispersus Heller, Muhlenbergia 5: 141. 1909. 
flavoculatus Heller, ibid. 5: 149. 1909. 
intermontanus Heller, ibid. 8: 87. 1912 
argillaceus Woot. & Standl. Contr. U. S. Nat. Herb. 16: 
1913. 
ab Jaap R aaa 
In my discussion of L. malacophyllus Greene, I indicated a 
disposition to question the inclusion of this species in the Micro- 



[The BuLLetIN for September (46: 337-388. pl. 14-16) was issued October 17, 1919.] 
389 
